BH33FB1WHFV-TR Integrated Circuits (ICs)

Current - Output:	150mA
Base Part Number:	BH33
Supplier Device Package:	HVSOF5
Package / Case:	SOT-665
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Quiescent (Iq):	70µA
Series:	--
Voltage Dropout (Max):	0.45V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Introduction to the BH33FB1WHFV-TR PMIC - Voltage Regulators - Linear

The BH33FB1WHFV-TR is a power management integrated circuit (PMIC) that belongs to the Linear Voltage Regulators family. It is a highly efficient, cost-effective, switchmode regulator developed specifically to provide reliable power, with good transient response and a wide temperature range. This PMIC has a very broad range of applications and is widely used in providing steady, reliable power for many different types of electronics.

BH33FB1WHFV-TR Features and Benefits

The BH33FB1WHFV-TR is designed to provide efficient, reliable power for its users. This PMIC features a synchronous buck continuous conduction mode (CCM) topology, high power conversion efficiency, short circuit protection, high peak current capability, and current foldback. The device also features a low quiescent current (Iq) to minimize power losses. It also has a wide input voltage range and is capable of powering loads down to 0.2V while maintaining a constant output voltage. Additionally, this PMIC has built-in overvoltage and undervoltage protection, adjustable output voltage, and a DFN 3mmx3mm package.The high efficiency of the BH33FB1WHFV-TR reduces the power dissipated by the regulator, which allows for cooler operation and improved system performance. The low Iq also contributes to reduced power losses, allowing the device to consistently be reliable under critical conditions. Because of its wide range of input and output voltages, this device can be used in a variety of different applications, from powering computer and appliance components to automotive systems.

Applications of BH33FB1WHFV-TR

The BH33FB1WHFV-TR\'s wide range of voltage outputs, short-circuit protection, and adjustable output voltage make it a highly versatile PMIC that can be used in a variety of different applications. Some of these applications include sensing and measurement systems, motor control and power conversion systems, industrial power supplies, automotive systems, battery-powered systems, and consumer electronics.

Working Principle of BH33FB1WHFV-TR

The BH33FB1WHFV-TR is a synchronous buck continuous conduction mode (CCM) regulator. This regulator operates according to the buck converter principle which is based on the switching of a power switch in order to transfer the current from input to output. When the switch is in the "on" state, current flows from the input to the output, and when it is in the "off" state, the current is blocked from flowing. The frequency of the switching of the switch is determined by the load on the output of the regulator – as the load increases, the frequency of the switching increases as well.The BH33FB1WHFV-TR also features an internal error amplifier which controls the switching frequency by setting a different voltage value. The error amplifier compares the output voltage to a reference voltage, such as Vref, and adjusts the switching frequency accordingly. The higher the reference voltage, the lower the switching frequency. This enables this PMIC to maintain a steady output voltage even when the input voltage varies or when the load on the regulator is changed.

Conclusion

The BH33FB1WHFV-TR is a highly efficient and versatile PMIC - Voltage Regulators - Linear that is designed to provide stable, reliable power for a wide variety of applications. It features a synchronous buck continuous conduction mode (CCM) topology, adjustable output voltage, short circuit protection, current foldback, and low quiescent current (Iq). This PMIC can be used in systems ranging from consumer electronics and appliances to larger automotive systems, and its adjustable output voltage and short-circuit protection make it an excellent choice for critical applications.

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